types.ts — Types

Shared TypeScript types used across the frontend. 
 Sample — represents a single science sample collected by the rover. Contains location name, coordinates, before/after image paths, measurement, weight, and a set of boolean _check flags tracking which fields have been filled in. The all_check flag is true when all required fields are complete. 
 Waypoint — a map waypoint with an id , lat , and lng . Used for start point, end point, and the waypoints list in the map store. 
 Probe — a probe location with an id , lat , lng , and timestamp . Used in the probing task to record where soil probes were taken.